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Transmission Countershaft Gear - Sparex Part S.65793

Marsoni M251S
Sale price$122.93
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Transmission Countershaft Gear - Sparex Part S.65793Transmission Countershaft Gear Sparex Part No. S. 65793 Product Specifications No. of Teeth 30 & 56 Brand Sparex Number of Teeth 30 & 56 Related products SP S. 6210, SP S. 18060, SP S. 65348, SP S. 66099 Tariff Code 8708409900 Suitable For Information Ford New Holland 2000, 2000 US BUILT, 2100, 2110, 2110LCG, 2120, 2150, 230, 2300, 230A, 230A US BUILT, 231, 231 US BUILT, 2310, 233, 234, 2600, 2600 US BUILT, 2600N, 2600V, 2610, 2610 US BUILT, 2610V,
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4.2 ★★★★★
Based on 1599 reviews
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Product Reviews
J
Verified Purchase
JNL
Alexandria, US
★★★★★ 5
The best lower unit gear oil I have used
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
I have been boating my whole life, this is by far the best gear oil. I use this in my Johnson 115 even though this is technically made by Mercury. I seem to get less if any water intrusion into my gearcase with this oil. If there is any, the oil emulsifies the water and continues to protect the gears. I have had better luck with this than Pennzoil marine or others. Highly recommend. It is a blue color and easy to drain and fill.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
D
Verified Purchase
Debra
Boise, US
★★★★★ 5
Great
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Great lube for the boat
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
J
Verified Purchase
Joshua Murray
Belleville, US
★★★★★ 5
recommend
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
C
Verified Purchase
Christopher C.
Bozeman, US
★★★★★ 4
Does not come with a pump.
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
The Good: Changing the fluid in the lower unit is a very easy DIY job. This can save you hundreds of dollars each year by doing it yourself. The Bad: You need a special pump to change the oil, and sometimes it comes with the gear lube. Unfortunately this product did not come with it. Luckily my neighbor had an extra one from changing the lube a different boat laying around and was able to use that. The Ugly: If you have to go get the pump, that could cost a few extra dollar but is just an extra nuisance. The pumps are interchangable but you just need to clean it between uses (DON'T MIX DIFFERENT OIL BRANDS)
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Reviewed in the United States on October 28, 2025
J
Verified Purchase
Joe H.
Birmingham, US
★★★★★ 5
Works fine in outdrive
Size: 32 oz, Style: 32 Fl Oz, Pattern Name: Lube
Good gear oil. Purple dye for leak detection
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026

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